At the plasma membrane, phosphatidylinositol-4-phosphate 5-kinase type-1 alpha (PIP5K1A) and beta (PIP5K1B) phosphorylate phosphatidylinositol 3-phosphate (PI3P) to phosphatidylinositol 3,5-bisphosphate (PI(3,5)P2) (Tolias et al. 1998).
Rameh, LE, Cantley, LC, Ishihara, H, Shibasaki, Y, Prestwich, GD, Carpenter, CL, Chen, J, Tolias, KF
1-phosphatidylinositol-3-phosphate 5-kinase activity of PIP5K1A/B [cytosol]
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